If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhqJaStG63SqsUMCtTbtCW3AmGZRvvnaEWpdLEfFSrLvhWEvM59U7YkXbXr5EGoXXEd2C2NeJ8AvUmbFkp8WtP3QL5Ntastd6mVzHhbKB4jwHiQjQxvNADQTaguiJjNcGpEaQQuSkE
You can also try to pass an automatic check but with no guarantee.